GIS Jobs- New Openings

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GIS based vacancy in Autoplant System, India for beginners in GIS field.

Looking for Expert in GIS based vacancy in Sathi Planners, West Bengal with moderate experience in GIS field.

Vacancy of Executives in GIS in AGRIBAZAR, Uttar Pradesh for beginners in GIS Field.

Analyst Trainee required in GIS based vacancy with programming background, InfoCorporate Service, Maharashtra for beginners in GIS field.

Engineer required in GIS based vacancy in Stratify Business Solutions, Karnatka for beginners in GIS field.

Project Manager required in GIS based vacancy in AllGeo Solutions, Uttar Pradesh with moderate experience in GIS field.

Technical Support based vacancy in GIS field in Scanpoint Geomatics Ltd for beginners as well as moderate experience in GIS field.

Executives in GIS based vacancy in Vector Head Info Solutions, Hyderabad beginners as well as moderate experience in GIS field.

Specialist in GIS based vacancy in Pinnacle Infotech Solutions, Jaipur, with moderate experience in GIS field.

Specialist in Arc-GIS based vacancy in Pi Datacenters Pvt. Ltd, Vishakhapatnam with moderate experience in GIS field.

Consultant in GIS based vacancy in Arcadis Consulting India Pvt. Ltd, Bangalore, with moderate experience in GIS field.
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Aerial Photographs based Height Measurement using Parallax

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There are several methods through which height/elevation can be measured using satellite image and aerial photographs . In case of satellite image such as, Cartosat,  ASTER, Worldview I & II and others are used to create height or elevation data in the form of digital elevation model .  Aerial photography, LiDAR mapping are very common for creation of elevation data on higher scale/resolution for detailed study.  In the last article, relief displacement used to measure height of any object on earth surface. Here in this another method will be discussed to measure height of any given object on the earth surface. Parallax for Height Measurement using Aerial Photography Parallax Concept Photogrammetry is capable of measuring elevation of earth surface. Aerial photographs/stereo pair satellite images can be used to measure elevation differences through the use of parallax method.   New launched satellite are providing stereo pair satellite images images such worldview-2 etc.
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Digital Image Processing Tutorial-Image Enhancement Part-I

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Image Enhancement-Contrast Adjustment In the last article, learned about the basis concepts of image enhancement and importance of enhancement in satellite image processing .  Understand satellite image , especially DN values stores in each pixel  Process in Erdas Imagine to see DN values stored in pixels through viewer Image Info.  Adjustment of contrast of Image to improve quality  Image Enhancement Processes  In this article will move further to understand some more process can be used to improve quality of image. But this needs basic understanding of DN value and its range for all bands used in image stacking .   There are some enhancement process are available in all image processing software . Here will discuss enhancement functions of Erdas Imagine software .   After displaying a satellite image in viewer of Erdas,  click on Raster tool from menu bar of Viewer.  Click on Contrast  There Select General contrast   in that tool many contrast adjustmen
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Digital Image Processing Tutorial-- Layer Stacking and Subset a Satellite Image

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Image
Satellite Image Processing Satellite image processing include various steps and processes to make image ready for interpretation and classification . These processes are important on each step of image processing such as geometric correction, radiometric correction, enhancement , classification etc.  These processing methods are also depend on number of bands present in image as well as on spatial and temporal properties of satellite image . In this article some basic image processing tools are discussed using  Erdas Imagine. As data downloaded/purchased than there may be some basic operations need to perform for digital image processing . These tools may vary with data acquired, in general satellite data need to stack, subset, mosaic and re-project based on the project requirement and data availability. Layer Stacking: This process is primary process after acquiring satellite images as most of the satellite images are provided in different bands or layers , such a
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